QGIS/python/plugins/processing/algs/qgis/AutoincrementalField.py
2017-08-22 23:36:42 +10:00

61 lines
2.0 KiB
Python

# -*- coding: utf-8 -*-
"""
***************************************************************************
AutoincrementalField.py
---------------------
Date : August 2012
Copyright : (C) 2012 by Victor Olaya
Email : volayaf at gmail dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************
"""
__author__ = 'Victor Olaya'
__date__ = 'August 2012'
__copyright__ = '(C) 2012, Victor Olaya'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
from qgis.PyQt.QtCore import QVariant
from qgis.core import (QgsField)
from processing.algs.qgis.QgisAlgorithm import QgisFeatureBasedAlgorithm
class AutoincrementalField(QgisFeatureBasedAlgorithm):
def __init__(self):
super().__init__()
self.current = 0
def group(self):
return self.tr('Vector table')
def name(self):
return 'addautoincrementalfield'
def displayName(self):
return self.tr('Add autoincremental field')
def outputName(self):
return self.tr('Incremented')
def outputFields(self, inputFields):
inputFields.append(QgsField('AUTO', QVariant.Int))
return inputFields
def processFeature(self, feature, feedback):
attributes = feature.attributes()
attributes.append(self.current)
self.current += 1
feature.setAttributes(attributes)
return feature